|
1 <?php |
|
2 /** |
|
3 * WordPress Translation Install Administration API |
|
4 * |
|
5 * @package WordPress |
|
6 * @subpackage Administration |
|
7 */ |
|
8 |
|
9 |
|
10 /** |
|
11 * Retrieve translations from WordPress Translation API. |
|
12 * |
|
13 * @since 4.0.0 |
|
14 * |
|
15 * @param string $type Type of translations. Accepts 'plugins', 'themes', 'core'. |
|
16 * @param array|object $args Translation API arguments. Optional. |
|
17 * @return object|WP_Error On success an object of translations, WP_Error on failure. |
|
18 */ |
|
19 function translations_api( $type, $args = null ) { |
|
20 include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version |
|
21 |
|
22 if ( ! in_array( $type, array( 'plugins', 'themes', 'core' ) ) ) { |
|
23 return new WP_Error( 'invalid_type', __( 'Invalid translation type.' ) ); |
|
24 } |
|
25 |
|
26 /** |
|
27 * Allows a plugin to override the WordPress.org Translation Install API entirely. |
|
28 * |
|
29 * @since 4.0.0 |
|
30 * |
|
31 * @param bool|array $result The result object. Default false. |
|
32 * @param string $type The type of translations being requested. |
|
33 * @param object $args Translation API arguments. |
|
34 */ |
|
35 $res = apply_filters( 'translations_api', false, $type, $args ); |
|
36 |
|
37 if ( false === $res ) { |
|
38 $url = $http_url = 'http://api.wordpress.org/translations/' . $type . '/1.0/'; |
|
39 if ( $ssl = wp_http_supports( array( 'ssl' ) ) ) { |
|
40 $url = set_url_scheme( $url, 'https' ); |
|
41 } |
|
42 |
|
43 $options = array( |
|
44 'timeout' => 3, |
|
45 'body' => array( |
|
46 'wp_version' => $wp_version, |
|
47 'locale' => get_locale(), |
|
48 'version' => $args['version'], // Version of plugin, theme or core |
|
49 ), |
|
50 ); |
|
51 |
|
52 if ( 'core' !== $type ) { |
|
53 $options['body']['slug'] = $args['slug']; // Plugin or theme slug |
|
54 } |
|
55 |
|
56 $request = wp_remote_post( $url, $options ); |
|
57 |
|
58 if ( $ssl && is_wp_error( $request ) ) { |
|
59 trigger_error( __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ) . ' ' . __( '(WordPress could not establish a secure connection to WordPress.org. Please contact your server administrator.)' ), headers_sent() || WP_DEBUG ? E_USER_WARNING : E_USER_NOTICE ); |
|
60 |
|
61 $request = wp_remote_post( $http_url, $options ); |
|
62 } |
|
63 |
|
64 if ( is_wp_error( $request ) ) { |
|
65 $res = new WP_Error( 'translations_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), $request->get_error_message() ); |
|
66 } else { |
|
67 $res = json_decode( wp_remote_retrieve_body( $request ), true ); |
|
68 if ( ! is_object( $res ) && ! is_array( $res ) ) { |
|
69 $res = new WP_Error( 'translations_api_failed', __( 'An unexpected error occurred. Something may be wrong with WordPress.org or this server’s configuration. If you continue to have problems, please try the <a href="https://wordpress.org/support/">support forums</a>.' ), wp_remote_retrieve_body( $request ) ); |
|
70 } |
|
71 } |
|
72 } |
|
73 |
|
74 /** |
|
75 * Filter the Translation Install API response results. |
|
76 * |
|
77 * @since 4.0.0 |
|
78 * |
|
79 * @param object|WP_Error $res Response object or WP_Error. |
|
80 * @param string $type The type of translations being requested. |
|
81 * @param object $args Translation API arguments. |
|
82 */ |
|
83 return apply_filters( 'translations_api_result', $res, $type, $args ); |
|
84 } |
|
85 |
|
86 /** |
|
87 * Get available translations from the WordPress.org API. |
|
88 * |
|
89 * @since 4.0.0 |
|
90 * |
|
91 * @see translations_api() |
|
92 * |
|
93 * @return array Array of translations, each an array of data. If the API response results |
|
94 * in an error, an empty array will be returned. |
|
95 */ |
|
96 function wp_get_available_translations() { |
|
97 if ( ! defined( 'WP_INSTALLING' ) && false !== ( $translations = get_site_transient( 'available_translations' ) ) ) { |
|
98 return $translations; |
|
99 } |
|
100 |
|
101 include( ABSPATH . WPINC . '/version.php' ); // include an unmodified $wp_version |
|
102 |
|
103 $api = translations_api( 'core', array( 'version' => $wp_version ) ); |
|
104 |
|
105 if ( is_wp_error( $api ) || empty( $api['translations'] ) ) { |
|
106 return array(); |
|
107 } |
|
108 |
|
109 $translations = array(); |
|
110 // Key the array with the language code for now. |
|
111 foreach ( $api['translations'] as $translation ) { |
|
112 $translations[ $translation['language'] ] = $translation; |
|
113 } |
|
114 |
|
115 if ( ! defined( 'WP_INSTALLING' ) ) { |
|
116 set_site_transient( 'available_translations', $translations, 3 * HOUR_IN_SECONDS ); |
|
117 } |
|
118 |
|
119 return $translations; |
|
120 } |
|
121 |
|
122 /** |
|
123 * Output the select form for the language selection on the installation screen. |
|
124 * |
|
125 * @since 4.0.0 |
|
126 * |
|
127 * @param array $languages Array of available languages (populated via the Translation API). |
|
128 */ |
|
129 function wp_install_language_form( $languages ) { |
|
130 global $wp_local_package; |
|
131 |
|
132 $installed_languages = get_available_languages(); |
|
133 |
|
134 echo "<label class='screen-reader-text' for='language'>Select a default language</label>\n"; |
|
135 echo "<select size='14' name='language' id='language'>\n"; |
|
136 echo '<option value="" lang="en" selected="selected" data-continue="Continue" data-installed="1">English (United States)</option>'; |
|
137 echo "\n"; |
|
138 |
|
139 if ( ! empty( $wp_local_package ) && isset( $languages[ $wp_local_package ] ) ) { |
|
140 if ( isset( $languages[ $wp_local_package ] ) ) { |
|
141 $language = $languages[ $wp_local_package ]; |
|
142 printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n", |
|
143 esc_attr( $language['language'] ), |
|
144 esc_attr( current( $language['iso'] ) ), |
|
145 esc_attr( $language['strings']['continue'] ), |
|
146 in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '', |
|
147 esc_html( $language['native_name'] ) ); |
|
148 |
|
149 unset( $languages[ $wp_local_package ] ); |
|
150 } |
|
151 } |
|
152 |
|
153 foreach ( $languages as $language ) { |
|
154 printf( '<option value="%s" lang="%s" data-continue="%s"%s>%s</option>' . "\n", |
|
155 esc_attr( $language['language'] ), |
|
156 esc_attr( current( $language['iso'] ) ), |
|
157 esc_attr( $language['strings']['continue'] ), |
|
158 in_array( $language['language'], $installed_languages ) ? ' data-installed="1"' : '', |
|
159 esc_html( $language['native_name'] ) ); |
|
160 } |
|
161 echo "</select>\n"; |
|
162 echo '<p class="step"><span class="spinner"></span><input id="language-continue" type="submit" class="button button-primary button-large" value="Continue" /></p>'; |
|
163 } |
|
164 |
|
165 /** |
|
166 * Download a language pack. |
|
167 * |
|
168 * @since 4.0.0 |
|
169 * |
|
170 * @see wp_get_available_translations() |
|
171 * |
|
172 * @param string $download Language code to download. |
|
173 * @return string|bool Returns the language code if successfully downloaded |
|
174 * (or already installed), or false on failure. |
|
175 */ |
|
176 function wp_download_language_pack( $download ) { |
|
177 // Check if the translation is already installed. |
|
178 if ( in_array( $download, get_available_languages() ) ) { |
|
179 return $download; |
|
180 } |
|
181 |
|
182 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) { |
|
183 return false; |
|
184 } |
|
185 |
|
186 // Confirm the translation is one we can download. |
|
187 $translations = wp_get_available_translations(); |
|
188 if ( ! $translations ) { |
|
189 return false; |
|
190 } |
|
191 foreach ( $translations as $translation ) { |
|
192 if ( $translation['language'] === $download ) { |
|
193 $translation_to_load = true; |
|
194 break; |
|
195 } |
|
196 } |
|
197 |
|
198 if ( empty( $translation_to_load ) ) { |
|
199 return false; |
|
200 } |
|
201 $translation = (object) $translation; |
|
202 |
|
203 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
|
204 $skin = new Automatic_Upgrader_Skin; |
|
205 $upgrader = new Language_Pack_Upgrader( $skin ); |
|
206 $translation->type = 'core'; |
|
207 $result = $upgrader->upgrade( $translation, array( 'clear_update_cache' => false ) ); |
|
208 |
|
209 if ( ! $result || is_wp_error( $result ) ) { |
|
210 return false; |
|
211 } |
|
212 |
|
213 return $translation->language; |
|
214 } |
|
215 |
|
216 /** |
|
217 * Check if WordPress has access to the filesystem without asking for |
|
218 * credentials. |
|
219 * |
|
220 * @since 4.0.0 |
|
221 * |
|
222 * @return bool Returns true on success, false on failure. |
|
223 */ |
|
224 function wp_can_install_language_pack() { |
|
225 if ( defined( 'DISALLOW_FILE_MODS' ) && DISALLOW_FILE_MODS ) { |
|
226 return false; |
|
227 } |
|
228 |
|
229 require_once ABSPATH . 'wp-admin/includes/class-wp-upgrader.php'; |
|
230 $skin = new Automatic_Upgrader_Skin; |
|
231 $upgrader = new Language_Pack_Upgrader( $skin ); |
|
232 $upgrader->init(); |
|
233 |
|
234 $check = $upgrader->fs_connect( array( WP_CONTENT_DIR, WP_LANG_DIR ) ); |
|
235 |
|
236 if ( ! $check || is_wp_error( $check ) ) { |
|
237 return false; |
|
238 } |
|
239 |
|
240 return true; |
|
241 } |